{
    "_comment": [
        "Copyright 2017 The Dawn Authors",
        "",
        "Licensed under the Apache License, Version 2.0 (the \"License\");",
        "you may not use this file except in compliance with the License.",
        "You may obtain a copy of the License at",
        "",
        "    http://www.apache.org/licenses/LICENSE-2.0",
        "",
        "Unless required by applicable law or agreed to in writing, software",
        "distributed under the License is distributed on an \"AS IS\" BASIS,",
        "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
        "See the License for the specific language governing permissions and",
        "limitations under the License."
    ],

    "_doc": "See docs/codegen.md",

    "request adapter options": {
        "category": "structure",
        "extensible": "in",
        "tags": ["upstream"],
        "members": [
            {"name": "compatible surface", "type": "surface"},
            {"name": "power preference", "type": "power preference", "tags": ["upstream"]},
            {"name": "force fallback adapter", "type": "bool", "tags": ["upstream"]}
        ]
    },
    "request adapter status": {
        "category": "enum",
        "tags": ["upstream"],
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "unavailable"},
            {"value": 2, "name": "error"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "request adapter callback": {
        "category": "callback",
        "tags": ["upstream"],
        "args": [
            {"name": "status", "type": "request adapter status"},
            {"name": "adapter", "type": "adapter"},
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "adapter": {
        "category": "object",
        "tags": ["upstream"],
        "methods": [
            {
                "name": "get limits",
                "returns": "bool",
                "tags": ["upstream"],
                "args": [
                    {"name": "limits", "type": "supported limits", "annotation": "*"}
                ]
            },
            {
                "name": "get properties",
                "tags": ["upstream"],
                "args": [
                    {"name": "properties", "type": "adapter properties", "annotation": "*"}
                ]
            },
            {
                "name": "has feature",
                "returns": "bool",
                "tags": ["upstream"],
                "args": [
                    {"name": "feature", "type": "feature name"}
                ]
            },
            {
                "name": "request device",
                "args": [
                    {"name": "descriptor", "type": "device descriptor", "annotation": "const*"},
                    {"name": "callback", "type": "request device callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            }
        ]
    },
    "adapter properties": {
        "category": "structure",
        "extensible": "out",
        "members": [
            {"name": "vendor ID", "type": "uint32_t"},
            {"name": "device ID", "type": "uint32_t"},
            {"name": "name", "type": "char", "annotation": "const*"},
            {"name": "driver description", "type": "char", "annotation": "const*"},
            {"name": "adapter type", "type": "adapter type"},
            {"name": "backend type", "type": "backend type"}
        ]
    },
    "adapter type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "discrete GPU"},
            {"value": 1, "name": "integrated GPU"},
            {"value": 2, "name": "CPU"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "device descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["upstream"],
        "_TODO": "Add requiredFeatures and requiredLimits support",
        "members": [
            {"name": "required features count", "type": "uint32_t"},
            {"name": "required features", "type": "feature name", "annotation": "const*", "length": "required features count"},
            {"name": "required limits", "type": "required limits", "annotation": "const*"}
        ]
    },
    "address mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "repeat"},
            {"value": 1, "name": "mirror repeat"},
            {"value": 2, "name": "clamp to edge"}
        ]
    },
    "backend type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "null"},
            {"value": 1, "name": "WebGPU"},
            {"value": 2, "name": "D3D11"},
            {"value": 3, "name": "D3D12"},
            {"value": 4, "name": "metal"},
            {"value": 5, "name": "vulkan"},
            {"value": 6, "name": "openGL"},
            {"value": 7, "name": "openGLES"}
        ]
    },
    "bind group": {
        "category": "object"
    },
    "bind group entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "binding", "type": "uint32_t"},
            {"name": "buffer", "type": "buffer", "optional": true},
            {"name": "offset", "type": "uint64_t", "default": "0"},
            {"name": "size", "type": "uint64_t"},
            {"name": "sampler", "type": "sampler", "optional": true},
            {"name": "texture view", "type": "texture view", "optional": true}
        ]
    },
    "bind group descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "layout", "type": "bind group layout"},
            {"name": "entry count", "type": "uint32_t"},
            {"name": "entries", "type": "bind group entry", "annotation": "const*", "length": "entry count"}
        ]
    },
    "bind group layout": {
        "category": "object"
    },

    "buffer binding type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "uniform"},
            {"value": 2, "name": "storage"},
            {"value": 3, "name": "read only storage"}
        ]
    },
    "buffer binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "type", "type": "buffer binding type", "default": "undefined"},
            {"name": "has dynamic offset", "type": "bool", "default": "false"},
            {"name": "min binding size", "type": "uint64_t", "default": "0"}
        ]
    },

    "sampler binding type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "filtering"},
            {"value": 2, "name": "non filtering"},
            {"value": 3, "name": "comparison"}
        ]
    },
    "sampler binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "type", "type": "sampler binding type", "default": "undefined"}
        ]
    },

    "texture sample type": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "float"},
            {"value": 2, "name": "unfilterable float"},
            {"value": 3, "name": "depth"},
            {"value": 4, "name": "sint"},
            {"value": 5, "name": "uint"}
        ]
    },
    "texture binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "sample type", "type": "texture sample type", "default": "undefined"},
            {"name": "view dimension", "type": "texture view dimension", "default": "undefined"},
            {"name": "multisampled", "type": "bool", "default": "false"}
        ]
    },

    "external texture binding entry": {
        "category": "structure",
        "chained": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "external texture", "type": "external texture"}
        ]
    },

    "external texture binding layout": {
        "category": "structure",
        "chained": "in",
        "tags": ["dawn"],
        "members": []
    },

    "storage texture access": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "write only"}
        ]
    },
    "storage texture binding layout": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "access", "type": "storage texture access", "default": "undefined"},
            {"name": "format", "type": "texture format", "default": "undefined"},
            {"name": "view dimension", "type": "texture view dimension", "default": "undefined"}
        ]
    },

    "bind group layout entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "binding", "type": "uint32_t"},
            {"name": "visibility", "type": "shader stage"},
            {"name": "buffer", "type": "buffer binding layout"},
            {"name": "sampler", "type": "sampler binding layout"},
            {"name": "texture", "type": "texture binding layout"},
            {"name": "storage texture", "type": "storage texture binding layout"}
        ]
    },
    "bind group layout descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "entry count", "type": "uint32_t"},
            {"name": "entries", "type": "bind group layout entry", "annotation": "const*", "length": "entry count"}
        ]
    },
    "blend component": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "operation", "type": "blend operation", "default": "add"},
            {"name": "src factor", "type": "blend factor", "default": "one"},
            {"name": "dst factor", "type": "blend factor", "default": "zero"}
        ]
    },
    "blend factor": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "zero"},
            {"value": 1, "name": "one"},
            {"value": 2, "name": "src"},
            {"value": 3, "name": "one minus src"},
            {"value": 4, "name": "src alpha"},
            {"value": 5, "name": "one minus src alpha"},
            {"value": 6, "name": "dst"},
            {"value": 7, "name": "one minus dst"},
            {"value": 8, "name": "dst alpha"},
            {"value": 9, "name": "one minus dst alpha"},
            {"value": 10, "name": "src alpha saturated"},
            {"value": 11, "name": "constant"},
            {"value": 12, "name": "one minus constant"}
        ]
    },
    "blend operation": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "add"},
            {"value": 1, "name": "subtract"},
            {"value": 2, "name": "reverse subtract"},
            {"value": 3, "name": "min"},
            {"value": 4, "name": "max"}
        ]
    },
    "bool": {
        "category": "native"
    },
    "buffer": {
        "category": "object",
        "methods": [
            {
                "name": "map async",
                "args": [
                    {"name": "mode", "type": "map mode"},
                    {"name": "offset", "type": "size_t"},
                    {"name": "size", "type": "size_t"},
                    {"name": "callback", "type": "buffer map callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "get mapped range",
                "returns": "void *",
                "args": [
                    {"name": "offset", "type": "size_t", "default": 0},
                    {"name": "size", "type": "size_t", "default": 0}
                ]
            },
            {
                "name": "get const mapped range",
                "returns": "void const *",
                "args": [
                    {"name": "offset", "type": "size_t", "default": 0},
                    {"name": "size", "type": "size_t", "default": 0}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "tags": ["dawn"],
                "_TODO": "needs an upstream equivalent",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "unmap"
            },
            {
                "name": "destroy"
            }
        ]
    },
    "buffer descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "usage", "type": "buffer usage"},
            {"name": "size", "type": "uint64_t"},
            {"name": "mapped at creation", "type": "bool", "default": "false"}
        ]
    },
    "buffer map callback": {
        "category": "callback",
        "args": [
            {"name": "status", "type": "buffer map async status"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "buffer map async status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"},
            {"value": 3, "name": "device lost"},
            {"value": 4, "name": "destroyed before callback"},
            {"value": 5, "name": "unmapped before callback"}
        ]
    },
    "buffer usage": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "map read"},
            {"value": 2, "name": "map write"},
            {"value": 4, "name": "copy src"},
            {"value": 8, "name": "copy dst"},
            {"value": 16, "name": "index"},
            {"value": 32, "name": "vertex"},
            {"value": 64, "name": "uniform"},
            {"value": 128, "name": "storage"},
            {"value": 256, "name": "indirect"},
            {"value": 512, "name": "query resolve"}
        ]
    },
    "char": {
        "category": "native"
    },
    "color": {
        "category": "structure",
        "members": [
            {"name": "r", "type": "double"},
            {"name": "g", "type": "double"},
            {"name": "b", "type": "double"},
            {"name": "a", "type": "double"}
        ]
    },
    "color write mask": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "red"},
            {"value": 2, "name": "green"},
            {"value": 4, "name": "blue"},
            {"value": 8, "name": "alpha"},
            {"value": 15, "name": "all"}
        ]
    },
    "constant entry": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "key", "type": "char", "annotation": "const*"},
            {"name": "value", "type": "double"}
        ]
    },
    "command buffer": {
        "category": "object"
    },
    "command buffer descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "command encoder": {
        "category": "object",
        "methods": [
            {
                "name": "finish",
                "returns": "command buffer",
                "args": [
                    {"name": "descriptor", "type": "command buffer descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "begin compute pass",
                "returns": "compute pass encoder",
                "args": [
                    {"name": "descriptor", "type": "compute pass descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "begin render pass",
                "returns": "render pass encoder",
                "args": [
                    {"name": "descriptor", "type": "render pass descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "copy buffer to buffer",
                "args": [
                    {"name": "source", "type": "buffer"},
                    {"name": "source offset", "type": "uint64_t"},
                    {"name": "destination", "type": "buffer"},
                    {"name": "destination offset", "type": "uint64_t"},
                    {"name": "size", "type": "uint64_t"}
                ]
            },
            {
                "name": "copy buffer to texture",
                "args": [
                    {"name": "source", "type": "image copy buffer", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to buffer",
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy buffer", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to texture",
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture to texture internal",
                "tags": ["dawn"],
                "args": [
                    {"name": "source", "type": "image copy texture", "annotation": "const*"},
                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "inject validation error",
                "tags": ["dawn"],
                "args": [
                    {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "resolve query set",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "first query", "type": "uint32_t"},
                    {"name": "query count", "type": "uint32_t"},
                    {"name": "destination", "type": "buffer"},
                    {"name": "destination offset", "type": "uint64_t"}
                ]
            },
            {
                "name": "write buffer",
                "tags": ["dawn"],
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "buffer offset", "type": "uint64_t"},
                    {"name": "data", "type": "uint8_t", "annotation": "const*", "length": "size"},
                    {"name": "size", "type": "uint64_t"}
                ]
            },
            {
                "name": "write timestamp",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            }
        ]
    },
    "command encoder descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "compare function": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined", "valid": false},
            {"value": 1, "name": "never"},
            {"value": 2, "name": "less"},
            {"value": 3, "name": "less equal"},
            {"value": 4, "name": "greater"},
            {"value": 5, "name": "greater equal"},
            {"value": 6, "name": "equal"},
            {"value": 7, "name": "not equal"},
            {"value": 8, "name": "always"}
        ]
    },
    "compilation info": {
        "category": "structure",
        "extensible": false,
        "_TODO": "should be extensible, but need to make that work in wire: https://github.com/webgpu-native/webgpu-headers/issues/82",
        "members": [
            {"name": "message count", "type": "uint32_t"},
            {"name": "messages", "type": "compilation message", "annotation": "const*", "length": "message count"}
        ]
    },
    "compilation info callback": {
        "category": "callback",
        "tags": ["dawn"],
        "args": [
            {"name": "status", "type": "compilation info request status"},
            {"name": "compilation info", "type": "compilation info", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "compilation info request status": {
        "category": "enum",
        "tags": ["dawn"],
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "device lost"},
            {"value": 3, "name": "unknown"}
        ]
    },
    "compilation message": {
        "category": "structure",
        "extensible": false,
        "_TODO": "should be extensible, but need to make that work in wire: https://github.com/webgpu-native/webgpu-headers/issues/82",
        "members": [
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "type", "type": "compilation message type"},
            {"name": "line num", "type": "uint64_t"},
            {"name": "line pos", "type": "uint64_t"},
            {"name": "offset", "type": "uint64_t"},
            {"name": "length", "type": "uint64_t"}
        ]
    },
    "compilation message type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "error"},
            {"value": 1, "name": "warning"},
            {"value": 2, "name": "info"}
        ]
    },
    "compute pass descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "compute pass encoder": {
        "category": "object",
        "methods": [
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "compute pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "write timestamp",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "begin pipeline statistics query",
                "tags": ["upstream"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "dispatch",
                "args": [
                    {"name": "x", "type": "uint32_t"},
                    {"name": "y", "type": "uint32_t", "default": "1"},
                    {"name": "z", "type": "uint32_t", "default": "1"}
                ]
            },
            {
                "name": "dispatch indirect",
                "args": [
                  {"name": "indirect buffer", "type": "buffer"},
                  {"name": "indirect offset", "type": "uint64_t"}
                ]
            },
            {
                "name": "end pass"
            },
            {
                "name": "end pipeline statistics query",
                "tags": ["upstream"]
            }
        ]
    },
    "compute pipeline": {
        "category": "object",
        "methods": [
            {
                "name": "get bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "group index", "type": "uint32_t"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "compute pipeline descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
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            {"name": "compute", "type": "programmable stage descriptor"}
        ]
    },
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        "tags": ["dawn"],
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            {"value": 1, "name": "premultiply"},
            {"value": 2, "name": "unpremultiply"}
        ]
    },
    "copy texture for browser options": {
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        "extensible": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "flipY", "type": "bool", "default": "false"},
            {"name": "alphaOp", "type": "alpha op", "default": "dont change"}
        ]
    },
    "create compute pipeline async callback": {
        "category": "callback",
        "args": [
            {"name": "status", "type": "create pipeline async status"},
            {"name": "pipeline", "type": "compute pipeline"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "create pipeline async status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
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            {"value": 1, "name": "error"},
            {"value": 2, "name": "device lost"},
            {"value": 3, "name": "device destroyed"},
            {"value": 4, "name": "unknown"}
        ]
    },
    "create render pipeline async callback": {
        "category": "callback",
        "args": [
            {"name": "status", "type": "create pipeline async status"},
            {"name": "pipeline", "type": "render pipeline"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "cull mode": {
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            {"value": 1, "name": "front"},
            {"value": 2, "name": "back"}
        ]
    },
    "device": {
        "category": "object",
        "methods": [
            {
                "name": "create bind group",
                "returns": "bind group",
                "args": [
                    {"name": "descriptor", "type": "bind group descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "descriptor", "type": "bind group layout descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create buffer",
                "returns": "buffer",
                "args": [
                    {"name": "descriptor", "type": "buffer descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create error buffer",
                "returns": "buffer",
                "tags": ["dawn"]
            },
            {
                "name": "create command encoder",
                "returns": "command encoder",
                "args": [
                    {"name": "descriptor", "type": "command encoder descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "create compute pipeline",
                "returns": "compute pipeline",
                "args": [
                    {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create compute pipeline async",
                "returns": "void",
                "args": [
                    {"name": "descriptor", "type": "compute pipeline descriptor", "annotation": "const*"},
                    {"name": "callback", "type": "create compute pipeline async callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "create external texture",
                "returns": "external texture",
                "tags": ["dawn"],
                "args": [
                    {"name": "external texture descriptor", "type": "external texture descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create pipeline layout",
                "returns": "pipeline layout",
                "args": [
                    {"name": "descriptor", "type": "pipeline layout descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create query set",
                "returns": "query set",
                "args": [
                    {"name": "descriptor", "type": "query set descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create render pipeline async",
                "returns": "void",
                "args": [
                    {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"},
                    {"name": "callback", "type": "create render pipeline async callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "create render bundle encoder",
                "returns": "render bundle encoder",
                "args": [
                    {"name": "descriptor", "type": "render bundle encoder descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create render pipeline",
                "returns": "render pipeline",
                "args": [
                    {"name": "descriptor", "type": "render pipeline descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create sampler",
                "returns": "sampler",
                "args": [
                    {"name": "descriptor", "type": "sampler descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "create shader module",
                "returns": "shader module",
                "args": [
                    {"name": "descriptor", "type": "shader module descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create swap chain",
                "returns": "swap chain",
                "args": [
                    {"name": "surface", "type": "surface", "optional": true},
                    {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "create texture",
                "returns": "texture",
                "args": [
                    {"name": "descriptor", "type": "texture descriptor", "annotation": "const*"}
                ]
            },
            {
                "name": "destroy",
                "_TODO": "crbug.com/dawn/628: Implement in Dawn",
                "tags": ["upstream"]
            },
            {
                "name": "get limits",
                "returns": "bool",
                "args": [
                    {"name": "limits", "type": "supported limits", "annotation": "*"}
                ]
            },
            {
                "name": "get queue",
                "returns": "queue"
            },
            {
                "name": "inject error",
                "args": [
                    {"name": "type", "type": "error type"},
                    {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
                ],
                "tags": ["dawn"]
            },
            {
                "name": "lose for testing",
                "tags": ["dawn"]
            },
            {
                "name": "tick",
                "tags": ["dawn"]
            },
            {
                "name": "set uncaptured error callback",
                "args": [
                    {"name": "callback", "type": "error callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set logging callback",
                "tags": ["dawn"],
                "args": [
                    {"name": "callback", "type": "logging callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set device lost callback",
                "args": [
                    {"name": "callback", "type": "device lost callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "push error scope",
                "args": [
                    {"name": "filter", "type": "error filter"}
                ]
            },
            {
                "name": "pop error scope",
                "returns": "bool",
                "args": [
                    {"name": "callback", "type": "error callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            }
        ]
    },
    "device lost callback": {
        "category": "callback",
        "args": [
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },
    "device lost reason": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"name": "undefined", "value": 0, "jsrepr": "undefined"},
            {"name": "destroyed", "value": 1}
        ]
    },
    "device properties": {
        "category": "structure",
        "extensible": false,
        "tags": ["dawn"],
        "members": [
            {"name": "device ID", "type": "uint32_t"},
            {"name": "vendor ID", "type": "uint32_t"},
            {"name": "texture compression BC", "type": "bool", "default": "false"},
            {"name": "texture compression ETC2", "type": "bool", "default": "false"},
            {"name": "texture compression ASTC", "type": "bool", "default": "false"},
            {"name": "shader float16", "type": "bool", "default": "false"},
            {"name": "pipeline statistics query", "type": "bool", "default": "false"},
            {"name": "timestamp query", "type": "bool", "default": "false"},
            {"name": "multi planar formats", "type": "bool", "default": "false"},
            {"name": "depth clamping", "type": "bool", "default": "false"},
            {"name": "invalid extension", "type": "bool", "default": "false"},
            {"name": "dawn internal usages", "type": "bool", "default": "false"},
            {"name": "limits", "type": "supported limits"}
        ]
    },
    "double": {
        "category": "native"
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    "error callback": {
        "category": "callback",
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            {"name": "max dynamic uniform buffers per pipeline layout", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max dynamic storage buffers per pipeline layout", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max sampled textures per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max samplers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max storage buffers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max storage textures per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max uniform buffers per shader stage", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max uniform buffer binding size", "type": "uint64_t", "default": "WGPU_LIMIT_U64_UNDEFINED"},
            {"name": "max storage buffer binding size", "type": "uint64_t", "default": "WGPU_LIMIT_U64_UNDEFINED"},
            {"name": "min uniform buffer offset alignment", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "min storage buffer offset alignment", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex buffers", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex attributes", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max vertex buffer array stride", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max inter stage shader components", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup storage size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute invocations per workgroup", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size x", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size y", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroup size z", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
            {"name": "max compute workgroups per dimension", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}
        ]
    },
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        "extensible": "in",
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            {"value": 2, "name": "out of memory"}
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        "emscripten_no_enum_table": true,
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            {"value": 2, "name": "out of memory"},
            {"value": 3, "name": "unknown"},
            {"value": 4, "name": "device lost"}
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            {"value": 2, "name": "warning"},
            {"value": 3, "name": "error"}
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    "extent 3D": {
        "category": "structure",
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            {"name": "height", "type": "uint32_t", "default": 1},
            {"name": "depth or array layers", "type": "uint32_t", "default": 1}
        ]
    },
    "external texture": {
        "category": "object",
        "tags": ["dawn"],
        "methods": [
            {
                "name": "destroy",
                "returns": "void"
            }
        ]
    },
    "external texture descriptor": {
        "category": "structure",
        "extensible": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "plane 0", "type": "texture view"},
            {"name": "format", "type": "texture format"}
        ]
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    "feature name": {
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        "tags": ["upstream"],
        "values": [
            {"value": 0, "name": "undefined", "jsrepr": "undefined"},
            {"value": 1, "name": "depth clamping"},
            {"value": 2, "name": "depth24 unorm stencil8"},
            {"value": 3, "name": "depth32 float stencil8"},
            {"value": 4, "name": "timestamp query"},
            {"value": 5, "name": "pipeline statistics query"},
            {"value": 6, "name": "texture compression BC"},
            {"value": 7, "name": "texture compression ETC2"},
            {"value": 8, "name": "texture compression ASTC"}
        ]
    },
    "filter mode": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "nearest"},
            {"value": 1, "name": "linear"}
        ]
    },
    "float": {
        "category": "native"
    },
    "front face": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "CCW"},
            {"value": 1, "name": "CW"}
        ]
    },
    "image copy buffer": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "layout", "type": "texture data layout"},
            {"name": "buffer", "type": "buffer"}
        ]
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            {"name": "mip level", "type": "uint32_t", "default": "0"},
            {"name": "origin", "type": "origin 3D"},
            {"name": "aspect", "type": "texture aspect", "default": "all"}
        ]
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            {"value": 1, "name": "uint16"},
            {"value": 2, "name": "uint32"}
        ]
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        "methods": [
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                "name": "create surface",
                "returns": "surface",
                "args": [
                    {"name": "descriptor", "type": "surface descriptor", "annotation": "const*"}
                ]
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            {
                "name": "process events",
                "tags": ["upstream"]
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            {
                "name": "request adapter",
                "tags": ["upstream"],
                "args": [
                    {"name": "options", "type": "request adapter options", "annotation": "const*"},
                    {"name": "callback", "type": "request adapter callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            }
        ]
    },
    "instance descriptor": {
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    },
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        "members": [
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            {"name": "shader location", "type": "uint32_t"}
        ]
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        "members": [
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            {"name": "step mode", "type": "vertex step mode", "default": "vertex"},
            {"name": "attribute count", "type": "uint32_t"},
            {"name": "attributes", "type": "vertex attribute", "annotation": "const*", "length": "attribute count"}
        ]
    },
    "vertex step mode": {
        "category": "enum",
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            {"value": 0, "name": "vertex"},
            {"value": 1, "name": "instance"}
        ]
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        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "clear"},
            {"value": 1, "name": "load"}
        ]
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            {"value": 1, "name": "read"},
            {"value": 2, "name": "write"}
        ]
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    "store op": {
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            {"value": 1, "name": "discard"}
        ]
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        ]
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            {"name": "bind group layout count", "type": "uint32_t"},
            {"name": "bind group layouts", "type": "bind group layout", "annotation": "const*", "length": "bind group layout count"}
        ]
    },
    "pipeline statistic name": {
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        "values": [
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            {"value": 1, "name": "clipper invocations"},
            {"value": 2, "name": "clipper primitives out"},
            {"value": 3, "name": "fragment shader invocations"},
            {"value": 4, "name": "compute shader invocations"}
        ]
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            {"value": 1, "name": "high performance"}
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            {"value": 1, "name": "mailbox"},
            {"value": 2, "name": "fifo"}
        ]
    },
    "programmable stage descriptor": {
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            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count", "tags": ["upstream"]}
        ]
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            {"value": 1, "name": "line list"},
            {"value": 2, "name": "line strip"},
            {"value": 3, "name": "triangle list"},
            {"value": 4, "name": "triangle strip"}
        ]
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                "name": "destroy"
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            {"name": "count", "type": "uint32_t"},
            {"name": "pipeline statistics", "type": "pipeline statistic name", "annotation": "const*", "length": "pipeline statistics count"},
            {"name": "pipeline statistics count", "type": "uint32_t", "default": "0"}
        ]
    },
    "query type": {
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            {"value": 2, "name": "timestamp"}
        ]
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            },
            {
                "name": "on submitted work done",
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                    {"name": "callback", "type": "queue work done callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
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            },
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            },
            {
                "name": "write texture",
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                    {"name": "write size", "type": "extent 3D", "annotation": "const*"}
                ]
            },
            {
                "name": "copy texture for browser",
                "extensible": "in",
                "tags": ["dawn"],
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                    {"name": "destination", "type": "image copy texture", "annotation": "const*"},
                    {"name": "copy size", "type": "extent 3D", "annotation": "const*"},
                    {"name": "options", "type": "copy texture for browser options", "annotation": "const*"}
                ]
            }
        ]
    },
    "queue work done callback": {
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            {"name": "status", "type": "queue work done status"},
            {"name": "userdata", "type": "void", "annotation": "*"}
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    },
    "queue work done status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"},
            {"value": 3, "name": "device lost"}
        ]
    },

    "render bundle": {
        "category": "object"
    },

    "render bundle encoder": {
        "category": "object",
        "methods": [
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "render pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "draw",
                "args": [
                    {"name": "vertex count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first vertex", "type": "uint32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t",  "default": "0"}
                ]
            },
            {
                "name": "draw indexed",
                "args": [
                    {"name": "index count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first index", "type": "uint32_t", "default": "0"},
                    {"name": "base vertex", "type": "int32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t", "default": "0"}
                ]
            },
            {
              "name": "draw indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "draw indexed indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set vertex buffer",
                "args": [
                    {"name": "slot", "type": "uint32_t"},
                    {"name": "buffer", "type": "buffer"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "0"}
                ]
            },
            {
                "name": "set index buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "format", "type": "index format"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "0"}
                ]
            },
            {
                "name": "finish",
                "returns": "render bundle",
                "args": [
                    {"name": "descriptor", "type": "render bundle descriptor", "annotation": "const*", "optional": true}
                ]
            }
        ]
    },

    "render bundle descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },

    "render bundle encoder descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "color formats count", "type": "uint32_t"},
            {"name": "color formats", "type": "texture format", "annotation": "const*", "length": "color formats count"},
            {"name": "depth stencil format", "type": "texture format", "default": "undefined"},
            {"name": "sample count", "type": "uint32_t", "default": "1"}
        ]
    },

    "render pass color attachment": {
        "category": "structure",
        "members": [
            {"name": "view", "type": "texture view"},
            {"name": "resolve target", "type": "texture view", "optional": true},
            {"name": "load op", "type": "load op"},
            {"name": "store op", "type": "store op"},
            {"name": "clear color", "type": "color"}
        ]
    },

    "render pass depth stencil attachment": {
        "category": "structure",
        "members": [
            {"name": "view", "type": "texture view"},
            {"name": "depth load op", "type": "load op"},
            {"name": "depth store op", "type": "store op"},
            {"name": "clear depth", "type": "float"},
            {"name": "depth read only", "type": "bool", "default": "false"},
            {"name": "stencil load op", "type": "load op"},
            {"name": "stencil store op", "type": "store op"},
            {"name": "clear stencil", "type": "uint32_t", "default": "0"},
            {"name": "stencil read only", "type": "bool", "default": "false"}
        ]
    },

    "render pass descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "color attachment count", "type": "uint32_t"},
            {"name": "color attachments", "type": "render pass color attachment", "annotation": "const*", "length": "color attachment count"},
            {"name": "depth stencil attachment", "type": "render pass depth stencil attachment", "annotation": "const*", "optional": true},
            {"name": "occlusion query set", "type": "query set", "optional": true}
        ]
    },
    "render pass encoder": {
        "category": "object",
        "methods": [
            {
                "name": "set pipeline",
                "args": [
                    {"name": "pipeline", "type": "render pipeline"}
                ]
            },
            {
                "name": "set bind group",
                "args": [
                    {"name": "group index", "type": "uint32_t"},
                    {"name": "group", "type": "bind group"},
                    {"name": "dynamic offset count", "type": "uint32_t", "default": "0"},
                    {"name": "dynamic offsets", "type": "uint32_t", "annotation": "const*", "length": "dynamic offset count", "default": "nullptr"}
                ]
            },
            {
                "name": "draw",
                "args": [
                    {"name": "vertex count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first vertex", "type": "uint32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t",  "default": "0"}
                ]
            },
            {
                "name": "draw indexed",
                "args": [
                    {"name": "index count", "type": "uint32_t"},
                    {"name": "instance count", "type": "uint32_t", "default": "1"},
                    {"name": "first index", "type": "uint32_t", "default": "0"},
                    {"name": "base vertex", "type": "int32_t", "default": "0"},
                    {"name": "first instance", "type": "uint32_t", "default": "0"}
                ]
            },
            {
              "name": "draw indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "draw indexed indirect",
              "args": [
                    {"name": "indirect buffer", "type": "buffer"},
                    {"name": "indirect offset", "type": "uint64_t"}
              ]
            },
            {
              "name": "execute bundles",
              "args": [
                  {"name": "bundles count", "type": "uint32_t"},
                  {"name": "bundles", "type": "render bundle", "annotation": "const*", "length": "bundles count"}
              ]
            },
            {
                "name": "insert debug marker",
                "args": [
                    {"name": "marker label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "pop debug group",
                "args": []
            },
            {
                "name": "push debug group",
                "args": [
                    {"name": "group label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "set stencil reference",
                "args": [
                    {"name": "reference", "type": "uint32_t"}
                ]
            },
            {
                "name": "set blend constant",
                "args": [
                    {"name": "color", "type": "color", "annotation": "const*"}
                ]
            },
            {
                "name": "set viewport",
                "args": [
                    {"name": "x", "type": "float"},
                    {"name": "y", "type": "float"},
                    {"name": "width", "type": "float"},
                    {"name": "height", "type": "float"},
                    {"name": "min depth", "type": "float"},
                    {"name": "max depth", "type": "float"}
                ]
            },
            {
                "name": "set scissor rect",
                "args": [
                    {"name": "x", "type": "uint32_t"},
                    {"name": "y", "type": "uint32_t"},
                    {"name": "width", "type": "uint32_t"},
                    {"name": "height", "type": "uint32_t"}
                ]
            },
            {
                "name": "set vertex buffer",
                "args": [
                    {"name": "slot", "type": "uint32_t"},
                    {"name": "buffer", "type": "buffer"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "0"}
                ]
            },
            {
                "name": "set index buffer",
                "args": [
                    {"name": "buffer", "type": "buffer"},
                    {"name": "format", "type": "index format"},
                    {"name": "offset", "type": "uint64_t", "default": "0"},
                    {"name": "size", "type": "uint64_t", "default": "0"}
                ]
            },
            {
                "name": "begin occlusion query",
                "args": [
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "begin pipeline statistics query",
                "tags": ["upstream"],
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "end occlusion query"
            },
            {
                "name": "write timestamp",
                "args": [
                    {"name": "query set", "type": "query set"},
                    {"name": "query index", "type": "uint32_t"}
                ]
            },
            {
                "name": "end pass"
            },
            {
                "name": "end pipeline statistics query",
                "tags": ["upstream"]
            }
        ]
    },
    "render pipeline": {
        "category": "object",
        "methods": [
            {
                "name": "get bind group layout",
                "returns": "bind group layout",
                "args": [
                    {"name": "group index", "type": "uint32_t"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }

        ]
    },

    "request device callback": {
        "category": "callback",
        "args": [
            {"name": "status", "type": "request device status"},
            {"name": "device", "type": "device"},
            {"name": "message", "type": "char", "annotation": "const*"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
    },

    "request device status": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "success"},
            {"value": 1, "name": "error"},
            {"value": 2, "name": "unknown"}
        ]
    },

    "vertex state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "module", "type": "shader module"},
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "constant count", "type": "uint32_t", "tags": ["upstream"]},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count", "tags": ["upstream"]},
            {"name": "buffer count", "type": "uint32_t", "default": 0},
            {"name": "buffers", "type": "vertex buffer layout", "annotation": "const*", "length": "buffer count"}
        ]
    },

    "primitive state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "topology", "type": "primitive topology", "default": "triangle list"},
            {"name": "strip index format", "type": "index format", "default": "undefined"},
            {"name": "front face", "type": "front face", "default": "CCW"},
            {"name": "cull mode", "type": "cull mode", "default": "none"}
        ]
    },

    "primitive depth clamping state": {
        "category": "structure",
        "chained": "in",
        "members": [
            {"name": "clamp depth", "type": "bool", "default": "false"}
        ]
    },

    "depth stencil state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "format", "type": "texture format"},
            {"name": "depth write enabled", "type": "bool", "default": "false"},
            {"name": "depth compare", "type": "compare function", "default": "always"},
            {"name": "stencil front", "type": "stencil face state"},
            {"name": "stencil back", "type": "stencil face state"},
            {"name": "stencil read mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "stencil write mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "depth bias", "type": "int32_t", "default": "0"},
            {"name": "depth bias slope scale", "type": "float", "default": "0.0f"},
            {"name": "depth bias clamp", "type": "float", "default": "0.0f"}
        ]
    },

    "multisample state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "count", "type": "uint32_t", "default": "1"},
            {"name": "mask", "type": "uint32_t", "default": "0xFFFFFFFF"},
            {"name": "alpha to coverage enabled", "type": "bool", "default": "false"}
        ]
    },

    "fragment state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "module", "type": "shader module"},
            {"name": "entry point", "type": "char", "annotation": "const*", "length": "strlen"},
            {"name": "constant count", "type": "uint32_t", "tags": ["upstream"]},
            {"name": "constants", "type": "constant entry", "annotation": "const*", "length": "constant count", "tags": ["upstream"]},
            {"name": "target count", "type": "uint32_t"},
            {"name": "targets", "type": "color target state", "annotation": "const*", "length": "target count"}
        ]
    },
    "color target state": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "format", "type": "texture format"},
            {"name": "blend", "type": "blend state", "annotation": "const*", "optional": true},
            {"name": "write mask", "type": "color write mask", "default": "all"}
        ]
    },
    "blend state": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "color", "type": "blend component"},
            {"name": "alpha", "type": "blend component"}
        ]
    },

    "render pipeline descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "layout", "type": "pipeline layout", "optional": true},
            {"name": "vertex", "type": "vertex state"},
            {"name": "primitive", "type": "primitive state"},
            {"name": "depth stencil", "type": "depth stencil state", "annotation": "const*", "optional": true},
            {"name": "multisample", "type": "multisample state"},
            {"name": "fragment", "type": "fragment state", "annotation": "const*", "optional": true}
        ]
    },

    "sampler": {
        "category": "object"
    },
    "sampler descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "address mode u", "type": "address mode", "default": "clamp to edge"},
            {"name": "address mode v", "type": "address mode", "default": "clamp to edge"},
            {"name": "address mode w", "type": "address mode", "default": "clamp to edge"},
            {"name": "mag filter", "type": "filter mode", "default": "nearest"},
            {"name": "min filter", "type": "filter mode", "default": "nearest"},
            {"name": "mipmap filter", "type": "filter mode", "default": "nearest"},
            {"name": "lod min clamp", "type": "float", "default": "0.0f"},
            {"name": "lod max clamp", "type": "float", "default": "1000.0f"},
            {"name": "compare", "type": "compare function", "default": "undefined"},
            {"name": "max anisotropy", "type": "uint16_t", "default": "1"}
        ]
    },
    "shader module": {
        "category": "object",
        "methods": [
            {
                "name": "get compilation info",
                "tags": ["dawn"],
                "args": [
                    {"name": "callback", "type": "compilation info callback"},
                    {"name": "userdata", "type": "void", "annotation": "*"}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            }
        ]
    },
    "shader module descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "shader module SPIRV descriptor": {
        "category": "structure",
        "chained": "in",
        "members": [
            {"name": "code size", "type": "uint32_t"},
            {"name": "code", "type": "uint32_t", "annotation": "const*", "length": "code size"}
        ]
    },
    "shader module WGSL descriptor": {
        "category": "structure",
        "chained": "in",
        "members": [
            {"name": "source", "type": "char", "annotation": "const*", "length": "strlen"}
        ]
    },
    "shader stage": {
        "category": "bitmask",
        "values": [
            {"value": 0, "name": "none"},
            {"value": 1, "name": "vertex"},
            {"value": 2, "name": "fragment"},
            {"value": 4, "name": "compute"}
        ]
    },
    "stencil operation": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "keep"},
            {"value": 1, "name": "zero"},
            {"value": 2, "name": "replace"},
            {"value": 3, "name": "invert"},
            {"value": 4, "name": "increment clamp"},
            {"value": 5, "name": "decrement clamp"},
            {"value": 6, "name": "increment wrap"},
            {"value": 7, "name": "decrement wrap"}
        ]
    },
    "stencil face state": {
        "category": "structure",
        "extensible": false,
        "members": [
            {"name": "compare", "type": "compare function", "default": "always"},
            {"name": "fail op", "type": "stencil operation", "default": "keep"},
            {"name": "depth fail op", "type": "stencil operation", "default": "keep"},
            {"name": "pass op", "type": "stencil operation", "default": "keep"}
        ]
    },
    "surface": {
        "category": "object",
        "methods": [
            {
                "name": "get preferred format",
                "returns": "texture format",
                "tags": ["upstream"],
                "args": [
                    {"name": "adapter", "type": "adapter"}
                ]
            }
        ]
    },
    "surface descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true}
        ]
    },
    "surface descriptor from canvas HTML selector": {
        "category": "structure",
        "chained": "in",
        "members": [
            {"name": "selector", "type": "char", "annotation": "const*", "length": "strlen"}
        ]
    },
    "surface descriptor from metal layer": {
        "category": "structure",
        "chained": "in",
        "tags": ["native"],
        "members": [
            {"name": "layer", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from windows HWND": {
        "category": "structure",
        "chained": "in",
        "tags": ["native"],
        "members": [
            {"name": "hinstance", "type": "void", "annotation": "*"},
            {"name": "hwnd", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from xlib": {
        "category": "structure",
        "chained": "in",
        "tags": ["native"],
        "members": [
            {"name": "display", "type": "void", "annotation": "*"},
            {"name": "window", "type": "uint32_t"}
        ]
    },
    "surface descriptor from windows core window": {
        "category": "structure",
        "chained": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "core window", "type": "void", "annotation": "*"}
        ]
    },
    "surface descriptor from windows swap chain panel": {
        "category": "structure",
        "chained": "in",
        "tags": ["dawn"],
        "members": [
            {"name": "swap chain panel", "type": "void", "annotation": "*"}
        ]
    },
    "swap chain": {
        "category": "object",
        "methods": [
            {
                "name": "configure",
                "tags": ["dawn"],
                "args": [
                    {"name": "format", "type": "texture format"},
                    {"name": "allowed usage", "type": "texture usage"},
                    {"name": "width", "type": "uint32_t"},
                    {"name": "height", "type": "uint32_t"}
                ]
            },
            {"name": "get current texture view", "returns": "texture view"},
            {"name": "present"}
        ]
    },
    "swap chain descriptor": {
        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "usage", "type": "texture usage"},
            {"name": "format", "type": "texture format"},
            {"name": "width", "type": "uint32_t"},
            {"name": "height", "type": "uint32_t"},
            {"name": "present mode", "type": "present mode"},
            {"name": "implementation", "type": "uint64_t", "default": 0, "tags": ["deprecated"]}
        ]
    },
    "s type": {
        "category": "enum",
        "emscripten_no_enum_table": true,
        "values": [
            {"value": 0, "name": "invalid", "valid": false},
            {"value": 1, "name": "surface descriptor from metal layer", "tags": ["native"]},
            {"value": 2, "name": "surface descriptor from windows HWND", "tags": ["native"]},
            {"value": 3, "name": "surface descriptor from xlib", "tags": ["native"]},
            {"value": 4, "name": "surface descriptor from canvas HTML selector"},
            {"value": 5, "name": "shader module SPIRV descriptor"},
            {"value": 6, "name": "shader module WGSL descriptor"},
            {"value": 7, "name": "primitive depth clamping state"},
            {"value": 8, "name": "surface descriptor from windows core window", "tags": ["dawn"]},
            {"value": 9, "name": "external texture binding entry", "tags": ["dawn"]},
            {"value": 10, "name": "external texture binding layout", "tags": ["dawn"]},
            {"value": 11, "name": "surface descriptor from windows swap chain panel", "tags": ["dawn"]},
            {"value": 1000, "name": "dawn texture internal usage descriptor", "tags": ["dawn"]}
        ]
    },
    "texture": {
        "category": "object",
        "methods": [
            {
                "name": "create view",
                "returns": "texture view",
                "args": [
                    {"name": "descriptor", "type": "texture view descriptor", "annotation": "const*", "optional": true}
                ]
            },
            {
                "name": "set label",
                "returns": "void",
                "tags": ["dawn"],
                "_TODO": "needs an upstream equivalent",
                "args": [
                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
                ]
            },
            {
                "name": "destroy"
            }
        ]
    },
    "texture aspect": {
        "category": "enum",
        "values": [
            {"value": 0, "name": "all"},
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        "extensible": "in",
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            {"name": "rows per image", "type": "uint32_t", "default": "WGPU_COPY_STRIDE_UNDEFINED"}
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    "texture descriptor": {
        "category": "structure",
        "extensible": "in",
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            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
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            {"name": "dimension", "type": "texture dimension", "default": "2D"},
            {"name": "size", "type": "extent 3D"},
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            {"name": "mip level count", "type": "uint32_t", "default": 1},
            {"name": "sample count", "type": "uint32_t", "default": 1}
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            {"value": 5, "name": "R16 uint"},
            {"value": 6, "name": "R16 sint"},
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            {"value": 8, "name": "RG8 unorm"},
            {"value": 9, "name": "RG8 snorm"},
            {"value": 10, "name": "RG8 uint"},
            {"value": 11, "name": "RG8 sint"},

            {"value": 12, "name": "R32 float"},
            {"value": 13, "name": "R32 uint"},
            {"value": 14, "name": "R32 sint"},
            {"value": 15, "name": "RG16 uint"},
            {"value": 16, "name": "RG16 sint"},
            {"value": 17, "name": "RG16 float"},
            {"value": 18, "name": "RGBA8 unorm"},
            {"value": 19, "name": "RGBA8 unorm srgb"},
            {"value": 20, "name": "RGBA8 snorm"},
            {"value": 21, "name": "RGBA8 uint"},
            {"value": 22, "name": "RGBA8 sint"},
            {"value": 23, "name": "BGRA8 unorm"},
            {"value": 24, "name": "BGRA8 unorm srgb"},
            {"value": 25, "name": "RGB10 A2 unorm"},
            {"value": 26, "name": "RG11 B10 ufloat"},
            {"value": 27, "name": "RGB9 E5 ufloat"},

            {"value": 28, "name": "RG32 float"},
            {"value": 29, "name": "RG32 uint"},
            {"value": 30, "name": "RG32 sint"},
            {"value": 31, "name": "RGBA16 uint"},
            {"value": 32, "name": "RGBA16 sint"},
            {"value": 33, "name": "RGBA16 float"},

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            {"value": 35, "name": "RGBA32 uint"},
            {"value": 36, "name": "RGBA32 sint"},

            {"value": 37, "name": "stencil8"},
            {"value": 38, "name": "depth16 unorm"},
            {"value": 39, "name": "depth24 plus"},
            {"value": 40, "name": "depth24 plus stencil8"},
            {"value": 41, "name": "depth32 float"},

            {"value": 42, "name": "BC1 RGBA unorm",         "jsrepr": "'bc1-rgba-unorm'"},
            {"value": 43, "name": "BC1 RGBA unorm srgb",    "jsrepr": "'bc1-rgba-unorm-srgb'"},
            {"value": 44, "name": "BC2 RGBA unorm",         "jsrepr": "'bc2-rgba-unorm'"},
            {"value": 45, "name": "BC2 RGBA unorm srgb",    "jsrepr": "'bc2-rgba-unorm-srgb'"},
            {"value": 46, "name": "BC3 RGBA unorm",         "jsrepr": "'bc3-rgba-unorm'"},
            {"value": 47, "name": "BC3 RGBA unorm srgb",    "jsrepr": "'bc3-rgba-unorm-srgb'"},
            {"value": 48, "name": "BC4 R unorm",            "jsrepr": "'bc4-r-unorm'"},
            {"value": 49, "name": "BC4 R snorm",            "jsrepr": "'bc4-r-snorm'"},
            {"value": 50, "name": "BC5 RG unorm",           "jsrepr": "'bc5-rg-unorm'"},
            {"value": 51, "name": "BC5 RG snorm",           "jsrepr": "'bc5-rg-snorm'"},
            {"value": 52, "name": "BC6H RGB ufloat",        "jsrepr": "'bc6h-rgb-ufloat'"},
            {"value": 53, "name": "BC6H RGB float",         "jsrepr": "'bc6h-rgb-float'"},
            {"value": 54, "name": "BC7 RGBA unorm",         "jsrepr": "'bc7-rgba-unorm'"},
            {"value": 55, "name": "BC7 RGBA unorm srgb",    "jsrepr": "'bc7-rgba-unorm-srgb'"},

            {"value": 56, "name": "ETC2 RGB8 unorm",        "jsrepr": "'etc2-rgb8unorm'"},
            {"value": 57, "name": "ETC2 RGB8 unorm srgb",   "jsrepr": "'etc2-rgb8unorm-srgb'"},
            {"value": 58, "name": "ETC2 RGB8A1 unorm",      "jsrepr": "'etc2-rgb8a1unorm'"},
            {"value": 59, "name": "ETC2 RGB8A1 unorm srgb", "jsrepr": "'etc2-rgb8a1unorm-srgb'"},
            {"value": 60, "name": "ETC2 RGBA8 unorm",       "jsrepr": "'etc2-rgba8unorm'"},
            {"value": 61, "name": "ETC2 RGBA8 unorm srgb",  "jsrepr": "'etc2-rgba8unorm-srgb'"},
            {"value": 62, "name": "EAC R11 unorm",          "jsrepr": "'eac-r11unorm'"},
            {"value": 63, "name": "EAC R11 snorm",          "jsrepr": "'eac-r11snorm'"},
            {"value": 64, "name": "EAC RG11 unorm",         "jsrepr": "'eac-rg11unorm'"},
            {"value": 65, "name": "EAC RG11 snorm",         "jsrepr": "'eac-rg11snorm'"},

            {"value": 66, "name": "ASTC 4x4 unorm",         "jsrepr": "'astc-4x4-unorm'"},
            {"value": 67, "name": "ASTC 4x4 unorm srgb",    "jsrepr": "'astc-4x4-unorm-srgb'"},
            {"value": 68, "name": "ASTC 5x4 unorm",         "jsrepr": "'astc-5x4-unorm'"},
            {"value": 69, "name": "ASTC 5x4 unorm srgb",    "jsrepr": "'astc-5x4-unorm-srgb'"},
            {"value": 70, "name": "ASTC 5x5 unorm",         "jsrepr": "'astc-5x5-unorm'"},
            {"value": 71, "name": "ASTC 5x5 unorm srgb",    "jsrepr": "'astc-5x5-unorm-srgb'"},
            {"value": 72, "name": "ASTC 6x5 unorm",         "jsrepr": "'astc-6x5-unorm'"},
            {"value": 73, "name": "ASTC 6x5 unorm srgb",    "jsrepr": "'astc-6x5-unorm-srgb'"},
            {"value": 74, "name": "ASTC 6x6 unorm",         "jsrepr": "'astc-6x6-unorm'"},
            {"value": 75, "name": "ASTC 6x6 unorm srgb",    "jsrepr": "'astc-6x6-unorm-srgb'"},
            {"value": 76, "name": "ASTC 8x5 unorm",         "jsrepr": "'astc-8x5-unorm'"},
            {"value": 77, "name": "ASTC 8x5 unorm srgb",    "jsrepr": "'astc-8x5-unorm-srgb'"},
            {"value": 78, "name": "ASTC 8x6 unorm",         "jsrepr": "'astc-8x6-unorm'"},
            {"value": 79, "name": "ASTC 8x6 unorm srgb",    "jsrepr": "'astc-8x6-unorm-srgb'"},
            {"value": 80, "name": "ASTC 8x8 unorm",         "jsrepr": "'astc-8x8-unorm'"},
            {"value": 81, "name": "ASTC 8x8 unorm srgb",    "jsrepr": "'astc-8x8-unorm-srgb'"},
            {"value": 82, "name": "ASTC 10x5 unorm",        "jsrepr": "'astc-10x5-unorm'"},
            {"value": 83, "name": "ASTC 10x5 unorm srgb",   "jsrepr": "'astc-10x5-unorm-srgb'"},
            {"value": 84, "name": "ASTC 10x6 unorm",        "jsrepr": "'astc-10x6-unorm'"},
            {"value": 85, "name": "ASTC 10x6 unorm srgb",   "jsrepr": "'astc-10x6-unorm-srgb'"},
            {"value": 86, "name": "ASTC 10x8 unorm",        "jsrepr": "'astc-10x8-unorm'"},
            {"value": 87, "name": "ASTC 10x8 unorm srgb",   "jsrepr": "'astc-10x8-unorm-srgb'"},
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            {"value": 89, "name": "ASTC 10x10 unorm srgb",  "jsrepr": "'astc-10x10-unorm-srgb'"},
            {"value": 90, "name": "ASTC 12x10 unorm",       "jsrepr": "'astc-12x10-unorm'"},
            {"value": 91, "name": "ASTC 12x10 unorm srgb",  "jsrepr": "'astc-12x10-unorm-srgb'"},
            {"value": 92, "name": "ASTC 12x12 unorm",       "jsrepr": "'astc-12x12-unorm'"},
            {"value": 93, "name": "ASTC 12x12 unorm srgb",  "jsrepr": "'astc-12x12-unorm-srgb'"},

            {"value": 94, "name": "R8 BG8 Biplanar 420 unorm", "tags": ["dawn"]}
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            {"value": 4, "name": "texture binding"},
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            {"value": 16, "name": "render attachment"},
            {"value": 32, "name": "present", "tags": ["dawn"]}
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        "category": "structure",
        "extensible": "in",
        "members": [
            {"name": "label", "type": "char", "annotation": "const*", "length": "strlen", "optional": true},
            {"name": "format", "type": "texture format", "default": "undefined"},
            {"name": "dimension", "type": "texture view dimension", "default": "undefined"},
            {"name": "base mip level", "type": "uint32_t", "default": "0"},
            {"name": "mip level count", "type": "uint32_t", "default": "WGPU_MIP_LEVEL_COUNT_UNDEFINED"},
            {"name": "base array layer", "type": "uint32_t", "default": "0"},
            {"name": "array layer count", "type": "uint32_t", "default": "WGPU_ARRAY_LAYER_COUNT_UNDEFINED"},
            {"name": "aspect", "type": "texture aspect", "default": "all"}
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    "texture view": {
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        "values": [
            {"value": 0, "name": "undefined", "valid": false, "jsrepr": "undefined"},
            {"value": 1, "name": "1D"},
            {"value": 2, "name": "2D"},
            {"value": 3, "name": "2D array"},
            {"value": 4, "name": "cube"},
            {"value": 5, "name": "cube array"},
            {"value": 6, "name": "3D"}
        ]
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            {"value": 0,  "name": "undefined", "valid": false, "jsrepr": "undefined"},
            {"value": 1,  "name": "uint8x2"},
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            {"value": 6,  "name": "unorm8x4"},
            {"value": 7,  "name": "snorm8x2"},
            {"value": 8,  "name": "snorm8x4"},
            {"value": 9,  "name": "uint16x2"},
            {"value": 10, "name": "uint16x4"},
            {"value": 11, "name": "sint16x2"},
            {"value": 12, "name": "sint16x4"},
            {"value": 13, "name": "unorm16x2"},
            {"value": 14, "name": "unorm16x4"},
            {"value": 15, "name": "snorm16x2"},
            {"value": 16, "name": "snorm16x4"},
            {"value": 17, "name": "float16x2"},
            {"value": 18, "name": "float16x4"},
            {"value": 19, "name": "float32"},
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            {"value": 21, "name": "float32x3"},
            {"value": 22, "name": "float32x4"},
            {"value": 23, "name": "uint32"},
            {"value": 24, "name": "uint32x2"},
            {"value": 25, "name": "uint32x3"},
            {"value": 26, "name": "uint32x4"},
            {"value": 27, "name": "sint32"},
            {"value": 28, "name": "sint32x2"},
            {"value": 29, "name": "sint32x3"},
            {"value": 30, "name": "sint32x4"}
        ]
    },
    "ObjectType": {
      "_comment": "Only used for the wire",
      "category": "native"
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    "ObjectId": {
      "_comment": "Only used for the wire",
      "category": "native"
    },
    "ObjectHandle": {
      "_comment": "Only used for the wire",
      "category": "native"
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    "void": {
        "category": "native"
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    "void *": {
        "category": "native"
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    "void const *": {
        "category": "native"
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        "category": "native"
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        "category": "native"
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        "category": "native"
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        "category": "native"
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    "uint64_t": {
        "category": "native"
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    "uint8_t": {
        "category": "native"
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        "chained": "in",
        "tags": ["dawn"],
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}